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Aquarium Water Tests & Kits


Aquatopia pH Calibration Solutions

Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
1 in stock.

Aquatopia high precision pH Calibration Solutions includes 3 x ph 7 and 3 x ph 10 sachets.  

Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95

Dalua CO2 Indicator Kit

Original price $20.95 - Original price $20.95
Original price
$20.95
$20.95 - $20.95
Current price $20.95
2 in stock.

Measure visually in real-time the CO2 levels in your planted aquarium. Great for fish safety and monitoring plant growth. Includes 15ml solution, d...

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Original price $20.95 - Original price $20.95
Original price
$20.95
$20.95 - $20.95
Current price $20.95

Aqua One Carbonate Hardness kH Quick Drop Test Kit

Original price $12.95 - Original price $12.95
Original price
$12.95
$12.95 - $12.95
Current price $12.95
3 in stock.

Regular testing and maintenance of water parameters is important for the health of fish, plants and coral. Aqua One test kits make it easy to balan...

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Original price $12.95 - Original price $12.95
Original price
$12.95
$12.95 - $12.95
Current price $12.95

Seachem MultiTest Reef Special

Original price $79.95 - Original price $79.95
Original price
$79.95
$79.95 - $79.95
Current price $79.95
4 in stock.

This kit combines the Silicate, Phosphate, and Iodine/Iodide kits into one kit. MultiTest™ Reef Special performs over 75 tests and contains refe...

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Original price $79.95 - Original price $79.95
Original price
$79.95
$79.95 - $79.95
Current price $79.95

Seachem MultiTest Marine pH & Alkalinity

Original price $34.95 - Original price $34.95
Original price
$34.95
$34.95 - $34.95
Current price $34.95
1 in stock.

Marine pH should be 8.2—8.4. Tanks dosed with limewater may go as high as 8.6. Natural sea water has a total alkalinity of 2—3 meq/L, but aquar...

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Original price $34.95 - Original price $34.95
Original price
$34.95
$34.95 - $34.95
Current price $34.95

Fritz 6 in 1 Test Strips 100 Pack

Original price $43.95 - Original price $43.95
Original price
$43.95
$43.95 - $43.95
Current price $43.95
2 in stock.

Testing your aquarium's water parameters regularly is an important part of keeping and maintaining a healthy environment for your fish and inverte...

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Original price $43.95 - Original price $43.95
Original price
$43.95
$43.95 - $43.95
Current price $43.95

Aqua Medic pH Calibration Fluid 60mL

Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
1 in stock.

The accuracy of all electrodes is dependent upon their calibration. To ensure accurate readings, all electrodes need to be calibrated at regular in...

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Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95

Aqua Medic HydroQuick

Original price $26.95 - Original price $26.95
Original price
$26.95
$26.95 - $26.95
Current price $26.95
1 in stock.

Easy to use, the density can be easily measured. Precise water inlet helps prevent air bubbles, increasing accuracy of measurementApplication: Hold...

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Original price $26.95 - Original price $26.95
Original price
$26.95
$26.95 - $26.95
Current price $26.95

Aqua One Calcium Ca Quick Drop Test Kit

Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
1 in stock.

Regular testing and maintenance of water parameters is important for the health of fish, plants and coral. Aqua One test kits make it easy to balan...

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Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95

Sera Glass Test Vial Single

Original price $5.95
Original price $5.95 - Original price $5.95
Original price $5.95
Current price $2.95
$2.95 - $2.95
Current price $2.95
23 in stock.

Sera Glass Test Vial single

Original price $5.95
Original price $5.95 - Original price $5.95
Original price $5.95
Current price $2.95
$2.95 - $2.95
Current price $2.95
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Dymax Refractometer

Original price $139.00 - Original price $139.00
Original price
$139.00
$139.00 - $139.00
Current price $139.00

Dymax Refractometer Instant Salinity reading High quality Corrosive resistance Maximum accuracy

Original price $139.00 - Original price $139.00
Original price
$139.00
$139.00 - $139.00
Current price $139.00

Seachem Reef Status Magnesium, Carbonate & Borate Test Kit

Original price $89.95 - Original price $89.95
Original price
$89.95
$89.95 - $89.95
Current price $89.95
2 in stock.

75 titration tests each for borate, carbonate & magnesium. It is designed specifically for seawater. The test is based on titration of magnes...

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Original price $89.95 - Original price $89.95
Original price
$89.95
$89.95 - $89.95
Current price $89.95

GHL PL-CalipH4 Calibration Fluid (PL-0074)

Original price $29.95 - Original price $29.95
Original price
$29.95
$29.95 - $29.95
Current price $29.95
2 in stock.

Highly accurate and stable calibration fluid for calibrating pH meters to a pH value of exactly 4.00 at room temperature. Do not reuse the amount o...

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Original price $29.95 - Original price $29.95
Original price
$29.95
$29.95 - $29.95
Current price $29.95

Aqua Medic Electrode Holder - 2 Electrodes

Original price $54.95 - Original price $54.95
Original price
$54.95
$54.95 - $54.95
Current price $54.95
2 in stock.

For use with up to 2 electrodes, easily attaches to the aquarium. The level of submergence of the electrodes is fully adjustable.

Original price $54.95 - Original price $54.95
Original price
$54.95
$54.95 - $54.95
Current price $54.95

Aqua Medic Electrode Holder - 4 Electrodes

Original price $89.95 - Original price $89.95
Original price
$89.95
$89.95 - $89.95
Current price $89.95

For use with up to  4 electrodes, easily attaches to the aquarium. The level of submergence of the electrodes is fully adjustable.

Original price $89.95 - Original price $89.95
Original price
$89.95
$89.95 - $89.95
Current price $89.95

Aqua One CO2 Permanent Tester

Original price $16.95 - Original price $16.95
Original price
$16.95
$16.95 - $16.95
Current price $16.95
1 in stock.

Aqua One has your CO2 requirements covered with the Nano CO2 Set. The set comes with everything you need to boost aquatic plant growth! Carbon diox...

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Original price $16.95 - Original price $16.95
Original price
$16.95
$16.95 - $16.95
Current price $16.95

Fritz Liquid Test Kit - Wide Range pH

Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95
1 in stock.

Testing the pH of your aquarium water regularly to make proper adjustments is crucial to keep your fish, plants, and other aquarium animals health...

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Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95

Fritz Liquid Test Kit - Phosphate PO4

Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95
2 in stock.

Excess nutrients can lead to poor water quality very quickly. If not controlled, phosphate (PO4) can rapidly build up in aquariums from fish waste ...

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Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95

Fritz Liquid Test Kit - Nitrite NO2

Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95
2 in stock.

Nitrite is produced continually during the ammonia cycle by nitrifying bacteria in the biological filter. While not as immediately toxic as ammoni...

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Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95

Fritz Liquid Test Kit - Nitrate NO3

Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95
2 in stock.

Nitrate is considered the non-toxic end product of the ammonia cycle. While not directly a problem for fish at low levels, excess nitrates can cau...

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Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95

Fritz Liquid Test Kit - General Hardness GH

Original price $36.95 - Original price $36.95
Original price
$36.95
$36.95 - $36.95
Current price $36.95
1 in stock.

General hardness (GH) is commonly overlooked in many aquariums, but this parameter plays a very important role in your aquariums overall health. G...

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Original price $36.95 - Original price $36.95
Original price
$36.95
$36.95 - $36.95
Current price $36.95

Fritz Liquid Test Kit - Copper Cu+

Original price $36.95 - Original price $36.95
Original price
$36.95
$36.95 - $36.95
Current price $36.95
2 in stock.

Copper is commonly used in aquariums to treat external parasitic infections, like Ich and velvet. It is crucial to closely monitor copper used in a...

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Original price $36.95 - Original price $36.95
Original price
$36.95
$36.95 - $36.95
Current price $36.95

Fritz Liquid Test Kit - Calcium Ca2+

Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95
1 in stock.

Calcium (Ca2+) is vital to many biological functions. In saltwater aquariums, calcium should remain in the proper ionic balance along with alkalin...

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Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95

Fritz Liquid Test Kit - Ammonia NH3 / NH4

Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95
2 in stock.

Ammonia is one of the most important parameters to monitor in aquariums because any amount can be toxic to livestock if it is not addressed right ...

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Original price $37.95 - Original price $37.95
Original price
$37.95
$37.95 - $37.95
Current price $37.95